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Description

Checks whether the current request needs to be redirected to sitemap_index.xml.

Usage

$bool = WPSEO_Sitemaps_Router::needs_sitemap_index_redirect();

Parameters

Returns

bool True if redirect is needed, false otherwise.

Source

File name: wordpress-seo/inc/sitemaps/class-sitemaps-router.php
Lines:

  public function needs_sitemap_index_redirect() {
    global $wp_query;

    $protocol = 'http://';
    if ( ! empty( $_SERVER['HTTPS'] ) && $_SERVER['HTTPS'] === 'on' ) {
      $protocol = 'https://';
    }

    $domain = '';
    if ( isset( $_SERVER['SERVER_NAME'] ) ) {
      $domain = sanitize_text_field( wp_unslash( $_SERVER['SERVER_NAME'] ) );
    }

    $path = '';
    if ( isset( $_SERVER['REQUEST_URI'] ) ) {
      $path = sanitize_text_field( wp_unslash( $_SERVER['REQUEST_URI'] ) );
    }

    // Due to different environment configurations, we need to check both SERVER_NAME and HTTP_HOST.
    $check_urls = [ $protocol . $domain . $path ];
    if ( ! empty( $_SERVER['HTTP_HOST'] ) ) {
      $check_urls[] = $protocol . sanitize_text_field( wp_unslash( $_SERVER['HTTP_HOST'] ) ) . $path;
    }

    return $wp_query->is_404 && in_array( home_url( '/sitemap.xml' ), $check_urls, true );
  }
 

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